What causes planets to orbit?

Planets orbit because of the presence of a greater mass, such as the sun and its greater gravitational pull. In the case of the Earth, the sun's gravitational pull keeps it from traveling in a stra...
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Where do damocloid minor planets orbit?

Damocloid minor planets have orbits similar to comets--elliptical with one end of the orbit passing close to the sun and the other end extending toward the edge of the solar system. It is believed ...
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